Question

how do sponges take up food underwater.one line answer​

Answer 1

They take water through small pores while they are are compressed and relaxed

Answer 2

Answer:

Sponges feed by straining food particles from water. As water enters a sponge, Page 2 it carries tiny organisms such as bacteria and protists. Collar cells on the inside of the central cavity trap these food particles and digest them. ... Diffusion also carries waste products from the sponge's cells into the water.

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